Wikipedia:Hak cipta: Perbezaan antara semakan

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In the first case, you retain copyright to your materials. You can later republish and relicense them in any way you like. However, you can never retract the GFDL license for the versions you placed here: that material will remain under GFDL forever. In the second case, if you incorporate external GFDL materials, as a requirement of the GFDL, you need to acknowledge the authorship and provide a link back to the network location of the original copy. If the original copy required invariant sections, you have to incorporate those into the Wikipedia article;, it is however very desirable to replace GFDL texts with invariant sections by original content without invariant sections whenever possible.
 
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